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Aramid yarn is a high-performance fiber material with aromatic polyamide as the main component.

Aramid fibers have excellent impact resistance and will not break under pressure because they are tough and can absorb large amounts of energy. It is widely used in the manufacture of bulletproof vests, armor for boats, kayaks, and military vehicle components. The impact resistance of aramid fiber composites is five times that of carbon fiber composites (tested using the drop weight impact method). This extraordinary resistance to impacts or bullets is caused by the long chains of atoms that form the structure of aramid.

Aramid fiber molecules contain a large number of benzene rings. They have good chemical stability, corrosion resistance, high specific strength, light and strong, and can be used to make cables for sea vessels and deep oil wells.

When it comes to aramid yarn, many people may first think of bulletproof vests, fireproof clothing or aerospace materials.

Aramid fibers have extremely low weight, which is an advantage in making composite materials. Although carbon fiber composites themselves are considered very light, aramid fiber composites are about 20% lighter than carbon fiber composites. The use of aramid fabrics in composites increases impact and abrasion resistance and reduces the weight of composite elements.

The stiffness of different types of fibers is as follows: